Finding the Fourth Proportional to 248,881.96, 343,457.45 and 135,704.71
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Solution
The fourth proportional to 248,881.96, 343,457.45 and 135,704.71 is: 187,272.69
Step by Step Solution
- Step 1: Write the proportion equation
248,881.96 : 343,457.45 = 135,704.71 : x - Step 2: Convert to fraction form
248,881.96/343,457.45 = 135,704.71/x - Step 3: Cross multiply
248,881.96x = 343,457.45 × 135,704.71 - Step 4: Simplify right side
248,881.96x = 46,608,793,649.59 - Step 5: Solve for x
x = 46,608,793,649.59/248,881.96 - Step 6: Final answer
x = 187,272.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.